Frequency Selective Two-Port Networks TRIZ Cases

A movable metal line enables remote filter-mode switching through capacitive coupling while cutting insertion loss and PIM in base station RF paths.

Passive split-termination and tuning circuits remove D2D echo interference while lowering nonlinearity and power consumption.

Integrated sensing and compensation suppress EMI while converting common-mode and differential-mode noise into digital monitoring data.

A tunable capacitor network uses thermodynamic voltage sampling to generate Gaussian-distribution samples faster and with lower energy.

A feedforward notch filter uses adjustable RC elements to target spurious emissions while keeping in-band noise low in wireless circuitry.

A matched capacitor bank creates an equal-and-opposite nonlinear current to cancel HD3 in active filters while preserving signal quality.

Combining phase shift and attenuation in one high-low pass network cuts circuit size, parasitic effects, and insertion loss.

Dual anti-interference modules filter, encrypt, and amplify boom control signals to prevent EMI-driven crane shutdowns and damage.

Dual anti-interference modules filter, encrypt, and restore boom control and power signals to protect crane systems near strong EMI sources.

Integrated resistor ladders, capacitor banks, and T-switches tune radar RC filtering while cutting silicon area and limiting non-linear distortion.

Matched capacitors generate opposite-phase non-linear current to cancel active-filter distortion and cut third harmonic THD.

Separate driving and frequency-tunable circuits block tuned-frequency interference while preserving effective control of each tunable unit.

An RC charge-discharge stage and slicer reject sub-threshold pulse widths while passing valid pulses for cleaner signal processing.

Variable resistors and an inversion-amplifier topology let a biquad filter tune center frequency, sharpness, and pass gain independently.

Interphase coupling lets one polyphase transconductance-capacitor filter handle noncontiguous carriers with fewer RF chains, lower power, and less hardware.

Hardening and softening MEMS resonators replace complex coupling to create a near-flat passband with sharp roll-off and low insertion loss.

Gain-based feedback calibration adjusts filter time constants and center frequency to offset process variation across capacitors, resistors, and op-amps.

Tunable transconductance and capacitance help a complementary current-mode biquad filter reach wider 5G mmW bandwidths with better reconfigurability.

Transistor-based I/Q amplification replaces passive resistors to suppress pass loss while preserving 90-degree phase characteristics.

A switching circuit lets one filter topology shift between low-pass, high-pass, and band-pass modes while supporting compact, reliable isolation.

Band-limited front-end filtering and symbol-time integration cut thermal noise, ISI, and DC wander in noise-limited receivers.

Band-limited integration with decision feedback and low-frequency equalization cuts thermal noise, ISI, and DC wander in symbol reception.

Isolation resistors and pad capacitors form low-pass filters that block RF backflow and spurious noise in MEMS RF switch arrays.

A single op-amp differential elliptic filter uses feedback and feedforward paths to create poles and zeros for steep roll-off with fewer components.

Feedback creates a virtual ground in the shaping filter to sharpen radiation pulses while lowering current drive and power use.

Narrow-band feedback filtering boosts wanted sensor signals while suppressing mains interference to avoid saturation and improve signal-to-noise ratio.

A single-op-amp feedback topology enables high-frequency low-pass filtering with lower distortion, reduced component ratios, and less parasitic impact.

Configurable transistor connections tune clock delay and drive strength without changing cell footprint or terminal layout, easing timing closure.

A matched control loop adjusts integrator output resistance to hold 90° phase and stable filter response across PVT variations.

Series-connected resistor ladders in active RC filters reduce distortion while minimizing silicon area consumption.

An LDO regulator circuit integrates an internally compensated effective series resistance to stabilize the control loop against external parasitic elements.

Reconfiguring connection paths via switching elements lets one filter circuit serve multiple pass bands, shrinking multiplexer volume.

A low-pass filter circuit uses an amplifier to control a MOS transistor resistance, adjusting the time constant for stable operation.

A bulk acoustic wave filter module integrates series and shunt resonators with cap-mounted switches to adjust frequency bands.